The ionic radius of $\text{'}\mathrm{Cr}\text{'}$'is minimum in which of the following compounds?

Important Questions on Classification of Elements and Periodicity in Properties

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 3 - Classification of Elements and Periodicity in Properties>Competition Focus>Q 36

In crystals of which of the following ionic compounds, would you expect the maximum distance between centres of cations and anions?

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 3 - Classification of Elements and Periodicity in Properties>Competition Focus>Q 37

Among $\mathrm{Mg}, {\mathrm{Mg}}^{2+}, \mathrm{Al}$and ${\mathrm{Al}}^{3+}$ which will have the largest and the smallest size respectively ?

EASY

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 3 - Classification of Elements and Periodicity in Properties>Competition Focus>Q 38

Among the following which one has the highest cation to anion size ratio?

EASY

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 3 - Classification of Elements and Periodicity in Properties>Competition Focus>Q 39

Which of the following, the ratio of the sizes of cation to anion is smallest ?

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 3 - Classification of Elements and Periodicity in Properties>Competition Focus>Q 40

Which of the following has the largest size?

EASY

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 3 - Classification of Elements and Periodicity in Properties>Competition Focus>Q 41

Identify the least stable ion amongst the following:

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 3 - Classification of Elements and Periodicity in Properties>Competition Focus>Q 42

Which of the following transitions involves maximum amount of energy ?

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 3 - Classification of Elements and Periodicity in Properties>Competition Focus>Q 43

The ionisation potential of $\mathrm{Na}$ is $5.48 \mathrm{e} \mathrm{V}$, the ionisation potential of $\mathrm{K}$ will be